Unit 1 This is me! Grammar I am in Class1 Grade 7. He is tall. We are in the same class. 一般現(xiàn)在時(shí) 表示現(xiàn)在存在的狀態(tài)。 一 . 當(dāng)我們談?wù)撘韵聨追N情況時(shí) ,用 一般現(xiàn)在時(shí)： 1. 表示現(xiàn)在存在的狀態(tài) ; 2. 表示經(jīng)常性、習(xí)慣性的動(dòng)作 ; 3. 表示客觀事實(shí)或普遍真理。 二 . “ be ”動(dòng)詞的一般現(xiàn)在時(shí)形式有 三種： am, is , are。 其用法如下： 一般現(xiàn)在時(shí) be動(dòng)詞在 肯定句中的用法 I am 或 Im happy. You/We/They are或 Youre/Were/Theyre He/She/It is 或 Hes /Shes /Its 例句： 1. 我是一位老師。 I am a teacher. 2.你們是我的學(xué)生。 You are my students. 3.我們是好朋友。 We are good friends. 4.他們來(lái)自于寶應(yīng)。 They are from Baoying. 6. 她又高又苗條。 She is tall and slim. 7. 它是我的電子狗。 It is my e-dog. 8. 她的頭發(fā)又長(zhǎng)又黑。 Her hair is long and black. 用法口訣： “我 (I)”用 am , “你 (you)”用 are, “is用于“他 (he)”、“她 (she)”、“它 (it)”, 復(fù)數(shù)人稱都用“ are”。 一般現(xiàn)在時(shí) be動(dòng)詞的否定句 I am not或 Im not happy. You/ We / They are not 或 You / We / They arent He / She / It is not 或 He / She / It isnt 一般現(xiàn)在時(shí) be動(dòng)詞的 一般疑問(wèn)句及其肯定回答 Am I happy? Yes, I am. Are you/we /they you/ we/ they are. Is he/she /it he/she/it is. 一般疑問(wèn)句的否定回答 No, I am not或 Im not. you/we/they are not或 arent. he/she/it is not 或 isnt. 縮寫形式小結(jié)： Im = I am youre/were/theyre = you/ we/ they are hes/shes/ its = he/ she/ it is isnt = is not arent = are not 例句 : (一 ) 一般疑問(wèn)句及其肯定回答和否定 回答 1. Am I the first? Yes, you are. No, you arent. 2. Are you good at swimming? Yes, I am. / Yes, we are. No, Im not. / No, we arent. 3. Is Simon tall? Yes, he is. No, he isnt. (二 ) be 動(dòng)詞一般現(xiàn)在時(shí)的否定句 : 4. I am not a student. 5. You arent good at swimming. 6. Simon isnt tall. 鞏固練習(xí) 將下列句子變成 (1)一般疑問(wèn)句并作肯定和否定回答 ; (2)變成否定句。 We are good friends. (1) Are you good friends? Yes, we are. / No, we arent. (2) We arent good friends. Simon and Sandy are classmates. (1) Are Simon and Sandy classmates? Yes, they are. / No, they arent. (2) Simon and Sandy arent classmates. Her hair is long. (1) Is her hair long? Yes, it is. / No, it isnt. (2) Her hair isnt long. 將下列句子改為一般疑問(wèn)句，并作否定回答。 1. I am a happy girl. 2. My father is a doctor. 3. Our books are new. 4. Miss King is my teacher. 5. The boys are playing football. 6. His nose is big.